6240B DC Voltage Current Source/Monitor Operation Manual
8.2 Safety Precautions
8-2
8.2
Safety Precautions
1. Use an AC power supply with the specified voltage.
2. Execute calibration under the following conditions in a location free of dust, vibration, noise or other
adverse conditions:
Temperature
23
C
3
C
Relative humidity
70% or lower
3. Allow the 6240B to warm-up for 2 hours or longer before calibration.
Allow other measuring instruments to be used in calibration to warm-up for the period of time spec-
ified before the calibration.
4. After calibration, note the dates of the calibration and the next scheduled calibration on a card or
sticker, etc. for convenience.
5. Calibration by key operation is not available.
Execute calibration by using remote commands via GPIB or USB.